REVISION OF L.M.B.C. AMPHIPODA. 419 



Puffin Island, Porthwen Bay, Angiesea, and Port St. 

 Mary. One young 10 to 17 m. N.W. of Mersey Bar 10 to 

 14 fath. 27/9/90 (I. C. T.). Length 5 mm. 



Lysianassid^. 



Lysianax longicornis (Lucas) =jL. ceratinus* Walker. 



Little Orme ; Puffin Island ; Menai Straits ; 5 to 12 

 fath. I have never taken a male with fully developed 

 lower antennae. An old female taken off the Little Orme 

 had these organs rudimentary and the eyes imperfectly 

 developed. Colour dull yellow, eyes large, dark. Length 

 9 mm. 



Socarnes erythropktJiahnus, Bobertson.f 



Port Erin 15 to 20 fath., 24/3/94; Menai Bridges 5 to 

 7 f. Common April and May, 1894. Length 4J mm. 



Perrierella audouiniana (Bate) = Lysianax auclouiniana, 

 Bate. 



22 m. S.E. Isle of Man, 21/5/88, 30 fath. on sponge; 

 on Pecten maximus, 1/4/93 (I. C. T.) ; Menai Bridges, 

 2/4/94, 5 to 12 f. rocky ground ; off Fleshwick Bay, 8/7/94, 

 broken shells and gravel, Pectens, &c., 22 f. Having 

 succeeded in cleaning the type specimen, in Bate's 

 Collection at the British Museum, I have no hesitation 

 in saying that it is this species. I Length 2\ mm. 



Gallisoma crenata, Bate. 



7 m. W. of Bradda Head, 31 f., 25/4/95. One female. 

 [One male Avith adult antennae, length 4 mm., from trawl 

 off Galley Head, Co. Cork, 24/10/94 (E. L. A.)] . Length 

 4 mm. 



Hippomedon denticidatus (Bate). 



* Fauna of Liverpool Bay, Vol. II. Third Report on Higher Crustacea. 



t Second List of Amphipoda and Isopoda of the Firtli of Clyde, &c. 

 Trans. Nat. Hist. Soc, Glasgow, Vol. III., p. 200, 1892; also Bonnier, 

 Bull. Sci. de France, Vol. XXIV., p. 183, PI. VI. 



+ Bonnier, I.e., p. 181, PI. V, 



